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Finding the Fourth Proportional to 117,207.44, 161,706.48 and 66,212.72

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Solution

The fourth proportional to 117,207.44, 161,706.48 and 66,212.72 is: 91,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,207.44 : 161,706.48 = 66,212.72 : x
  2. Step 2: Convert to fraction form
    117,207.44/161,706.48 = 66,212.72/x
  3. Step 3: Cross multiply
    117,207.44x = 161,706.48 × 66,212.72
  4. Step 4: Simplify right side
    117,207.44x = 10,707,025,882.43
  5. Step 5: Solve for x
    x = 10,707,025,882.43/117,207.44
  6. Step 6: Final answer
    x = 91,351.08

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